Science grade 4: u7: l3: Resources from the past

Evidence of a living thing from long ago is preserved as

a(n)...............

• fuel

• fossil

• imprint

Many fossils are found preserved in ....................... rock

• igneous

• metamorphic

• sedimentary

.............. is a hollow form with a certain shape

• mold

• cast

• stony fossil

........... is a fossil that is formed or shaped in a mold

• mold

• cast

• imprint

Some fossils are formed when an organism such as a leaf is pressed into a soft surface, leaving a(n) ...................

• mold

• cast

• imprint

An entire organism can be preserved, such as an insect

trapped in ....................

• ice

• amber

• rock

A mammoth trapped in.............

• rock

• amber

• ice

............. is a material burned for its energy

• A fossil

• A fuel

• A fossil fuel

Fuel that is made from the remains of ancient living things

is a(n) .............

• fossil fuel

• fossil

• fuel

Fossil fuels form from the remains of buried ..................... and ..................

• rocks and soil

• plants and animals

• plants and rocks